Home / 5,680.28-8,511.78-3,370.52

Finding the Fourth Proportional to 5,680.28, 8,511.78 and 3,370.52

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Solution

The fourth proportional to 5,680.28, 8,511.78 and 3,370.52 is: 5,050.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.28 : 8,511.78 = 3,370.52 : x
  2. Step 2: Convert to fraction form
    5,680.28/8,511.78 = 3,370.52/x
  3. Step 3: Cross multiply
    5,680.28x = 8,511.78 × 3,370.52
  4. Step 4: Simplify right side
    5,680.28x = 28,689,124.73
  5. Step 5: Solve for x
    x = 28,689,124.73/5,680.28
  6. Step 6: Final answer
    x = 5,050.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.